VAN DER WALT, B. J. ? Analise van die werklikheidsbeskouing van die “Summa Contra Gentiles” (1261-1264) ? Wysgerige benadering. Tydskrif vir Christelike Wetenskap | Journal for Christian Scholarship, [S. l.], v. 48, n. 3-4, p. 205–227, 2012. Disponível em: https://pubs.ufs.ac.za/index.php/tcw/article/view/295. Acesso em: 15 sep. 2025.